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Question
In the figure POQ, ROS and TOU are straight lines. Find the x°
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Solution
Given TOU is a straight line.
∴ The sum of all angles formed at a point on a straight line is 180°
∠TOR + ∠ROP + ∠POV + ∠VOU = 180°.
36° + 47° + 45° + x° = 180°
128° + x° = 180°
128° + x° – 128° = 180° – 128°
x = 52°
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